Ring forge piece for wind power flange

Abstract

The ring forge piece for the wind power flange comprises an upper cylinder body and a lower cylinder body, a plurality of inserting grooves are formed in the upper end of the lower cylinder body in the circumferential direction, side locking grooves are formed in the same sides of the inserting grooves, inserting plates correspondingly inserted into the inserting grooves are arranged at the lower end of the upper cylinder body, and side locking plates inserted into the side locking grooves in a matched mode are arranged on the side faces of the inserting plates. A vertically-through socket groove is formed in the end, back to the side locking groove, of the insertion groove, a first guide groove is formed in the side face, back to the side locking groove, of the socket groove, a second guide groove is formed in the side face, facing the side locking groove, of the socket groove, a third guide groove is formed in the side face, back to the side locking groove, of the insertion plate, and a locking plate is inserted into the socket groove. And reverse sliding ribs are arranged on the two sides of the locking plate, the reverse sliding rib on one side is in sliding fit with the first guide groove, the reverse sliding rib on the other side is in sliding fit with the second guide groove and the third guide groove, and the locking plate is connected with the upper cylinder body through bolts. Compared with the prior art, the ring forging for the wind power flange has higher tensile strength.

Description

Technical Field

[0001] The utility model relates to the field of wind power flanges, in particular to a ring forging for a wind power flange. Background Art

[0002] Wind turbine flange is an important component in the field of wind power generation. Wind turbine flange is an important intermediate piece that connects wind turbine blades with the main shaft and wind turbine tower. It generally consists of two parts, namely flange and flange gasket. The function of flange is to connect blades with the main shaft or wind turbine tower, while flange gasket is placed on both sides of flange to play the role of buffering, sealing and preventing loosening.

[0003] Chinese patent CN202022277413.8 discloses a wind power flange ring forging, including a lower tower, an upper tower, a lower flange ring and an upper flange ring, the lower flange ring is sleeved on the top of the lower tower, the lower flange ring is adapted to the lower tower, and the lower flange ring is connected to the lower tower through a first stud; the upper flange ring is sleeved on the bottom of the upper tower, the upper flange ring is adapted to the upper tower, and the upper flange ring is connected to the upper tower through a second stud; a lower connecting plate is fixed on the lower flange ring, and the lower connecting plate is above the first stud.

[0004] In the wind power flange ring forging, the upper tower and the lower tower are locked and connected by the cooperation of the slot and the block and the cooperation and locking of multiple connecting columns and nuts. The outward pulling force generated between the upper tower and the lower tower is overcome by multiple connecting columns and nuts, that is, the outward pulling force is completely overcome by the cap ends at both ends, and regular inspection and tightening of the nuts are required. Utility Model Content

[0005] The utility model aims to provide a ring forging for a wind power flange, which has a greater tensile strength and enhanced stability than the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a ring forging for a wind power flange, comprising an upper cylinder and a lower cylinder, the upper end of the lower cylinder is provided with a plurality of slots along the circumferential direction, the same side of the plurality of slots is provided with a side lock slot whose bottom surface is aligned with the bottom surface of the slot, the lower end of the upper cylinder is provided with a plug plate correspondingly inserted into the slot, the side of the plug plate is provided with a side lock plate matched to be inserted into the side lock slot, the end of the slot facing away from the side lock slot is provided with a vertically penetrating socket slot, and the side of the socket slot facing away from the side lock slot is provided with A first guide groove, a second guide groove is provided on the side of the socket groove facing the side lock groove, a third guide groove is provided on the side of the plug plate facing away from the side lock groove, the second guide groove is aligned with the third guide groove, a locking plate is inserted into the socket groove, and reverse sliding ribs are provided on both sides of the locking plate, the reverse sliding rib on one side slides with the first guide groove, and the reverse sliding rib on the other side slides with the second guide groove and the third guide groove, and the locking plate is fixedly connected to the upper cylinder by a first bolt.

[0007] Preferably, the bottom surface of the slot is provided with an arc groove concentric with the lower cylinder, one end of the arc groove is connected with the second guide groove, and the other end extends into the side lock groove, and the bottom of the plug plate is provided with an arc protrusion that can be inserted into the arc groove.

[0008] Preferably, a threaded hole is provided at the upper end of the locking plate, and a first bolt matching the threaded hole passes through the upper cylinder and is screwed into the threaded hole to fix the locking plate.

[0009] Preferably, the upper cylinder is provided with a shoulder surface which cooperates with the cap end of the first bolt.

[0010] Preferably, a first fixing tube sleeved on the first tube body is fixedly connected to the bottom of the lower cylinder, a plurality of first through holes are arranged on the side surface of the first fixing tube, and second bolts are arranged in the first through holes.

[0011] Preferably, a plurality of first vertical planes are arranged on the side surface of the first fixing tube along the circumferential direction, and the first through hole is arranged at the position of the first vertical planes.

[0012] Preferably, a second fixing tube sleeved on the second tube body is fixedly connected to the top of the upper cylinder, a plurality of second through holes are arranged on the side surface of the second fixing tube, and third bolts are arranged in the second through holes.

[0013] Preferably, a plurality of second vertical planes are arranged on the side surface of the second fixing tube along the circumferential direction, and the second through holes are arranged at the positions of the second vertical planes.

[0014] According to the above technical scheme, the utility model provides a ring forging for a wind power flange, comprising an upper cylinder and a lower cylinder, wherein the upper end of the lower cylinder is provided with a plurality of slots along the circumferential direction, and the same side of the plurality of slots is provided with a side lock slot whose bottom surface is aligned with the bottom surface of the slot, the lower end of the upper cylinder is provided with a plug plate correspondingly inserted into the slot, and the side surface of the plug plate is provided with a side lock plate matched to be inserted into the side lock slot, and the end of the slot facing away from the side lock slot is provided with a vertically penetrating socket slot, and the side surface of the socket slot facing away from the side lock slot is provided with A first guide groove, a second guide groove is provided on the side of the socket groove facing the side lock groove, a third guide groove is provided on the side of the plug plate facing away from the side lock groove, the second guide groove is aligned with the third guide groove, a locking plate is inserted into the socket groove, and reverse sliding ribs are provided on both sides of the locking plate, the reverse sliding rib on one side slides with the first guide groove, and the reverse sliding rib on the other side slides with the second guide groove and the third guide groove, and the locking plate is fixedly connected to the upper cylinder by a first bolt.

[0015] The usage and beneficial effects of the ring forging for wind power flange are as follows: when in use, the outer end of the lower cylinder is fixed to the end of the first tube body to be connected, and the outer end of the upper cylinder is fixed to the end of the second tube body to be connected. When connecting, multiple plug plates are inserted into the corresponding slots one by one. When inserted to the bottom of the slot, the upper cylinder or the lower cylinder is rotated so that the side locking plate is inserted into the side locking groove. At this time, a gap is formed between the side of the plug plate facing away from the side locking groove and the slot, and the gap constitutes a part of the socket groove. Then the locking plate is inserted from the bottom to the top from the socket groove and abuts against the end face of the upper cylinder, and the locking plate is fixed to the upper cylinder by the first bolt. At this time, due to the limiting effect of the locking plate, the upper cylinder and the lower cylinder can no longer rotate relative to each other. In addition, the upper cylinder and the lower cylinder are locked by the side locking groove and the side locking plate, which provides a stable tensile effect. Compared with direct bolt connection, the stability is also higher.

[0016] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the connection structure of a preferred embodiment of a ring forging for a wind power flange;

[0019] Figure 2 It is a schematic diagram of a top view of a preferred embodiment of a ring forging for a wind power flange;

[0020] Figure 3 yes Figure 2 AA cross-sectional structural diagram;

[0021] Figure 4 It is a disassembly schematic diagram of a preferred embodiment of a ring forging for a wind power flange.

[0022] Description of Reference Numerals

[0023] 1-second tube body; 2-second fixed tube; 3-second vertical plane; 4-third bolt; 5-shoulder surface; 6-first bolt; 7-upper cylinder; 8-insert plate; 9-locking plate; 10-lower cylinder; 11-second bolt; 12-first vertical plane; 13-first fixed tube; 14-first tube body; 15-threaded hole; 16-reverse sliding rib; 17-arc groove; 18-side locking groove; 19-first guide groove; 20-arc protrusion; 21-side locking plate; 22-second guide groove; 23-third guide groove. DETAILED DESCRIPTION

[0024] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0025] In the present utility model, unless otherwise stated, directional words contained in terms such as "up, down, left, right, front, back, inside, outside" merely represent the orientation of the terms in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the terms.

[0026] See also Figure 1-4 The wind turbine flange ring forging shown in the figure comprises an upper cylinder 7 and a lower cylinder 10, wherein the upper end of the lower cylinder 10 is provided with a plurality of slots along the circumferential direction, and the same side of the plurality of slots is provided with a side lock slot 18 whose bottom surface is aligned with the bottom surface of the slot, and the lower end of the upper cylinder 7 is provided with a plug plate 8 correspondingly inserted into the slot, and the side of the plug plate 8 is provided with a side lock plate 21 cooperating with the side lock slot 18, and the end of the slot facing away from the side lock slot 18 is provided with a vertically penetrating socket slot, and the side of the socket slot facing away from the side lock slot 18 is provided with a first guide slot 19, and the socket slot faces A second guide groove 22 is provided on the side of the side lock groove 18, and a third guide groove 23 is provided on the side of the plug plate 8 facing away from the side lock groove 18. The second guide groove 22 is aligned with the third guide groove 23. A locking plate 9 is inserted into the socket groove, and reverse sliding ribs 16 are provided on both sides of the locking plate 9. The reverse sliding rib 16 on one side slides with the first guide groove 19, and the reverse sliding rib 16 on the other side slides with the second guide groove 22 and the third guide groove 23. The locking plate 9 is fixedly connected to the upper cylinder 7 by a first bolt 6.

[0027] Through the implementation of the above technical solution, when in use, the outer end of the lower cylinder 10 is fixed to the end of the first tube 14 to be connected, and the outer end of the upper cylinder 7 is fixed to the end of the second tube 1 to be connected. When connecting, multiple plug plates 8 are inserted into the corresponding slots one by one. When inserted to the bottom of the slot, the upper cylinder 7 or the lower cylinder 10 is rotated so that the side locking plate 21 is inserted into the side locking groove 18. At this time, a gap is formed between the side of the plug plate 8 facing away from the side locking groove 18 and the slot, and the gap constitutes a part of the socket slot. Then the locking plate 9 is inserted from the bottom to the top from the socket slot and abuts against the end face of the upper cylinder 7, and the locking plate 9 is fixed to the upper cylinder 7 by the first bolt 6. At this time, due to the limiting effect of the locking plate 9, the upper cylinder 7 and the lower cylinder 10 can no longer rotate relative to each other. In addition, the upper cylinder 7 and the lower cylinder 10 are locked by the side locking groove 18 and the side locking plate 21, providing a stable tensile resistance. Compared with direct bolt connection, the stability is also higher.

[0028] In this embodiment, the bottom surface of the slot is provided with an arc groove 17 concentric with the lower cylinder 10, one end of the arc groove 17 is connected with the second guide groove 22, and the other end extends into the side lock groove 18, and the bottom of the plug plate 8 is provided with an arc protrusion 20 that can be inserted into the arc groove 17. With such a configuration, the arc protrusion 20 and the arc groove 17 can be quickly aligned during docking assembly, so that the rotation and locking can be smoother.

[0029] In this embodiment, a threaded hole 15 is provided at the upper end of the locking plate 9, and a first bolt 6 matching the threaded hole 15 passes through the upper cylinder 7 and is screwed into the threaded hole 15 to fix the locking plate 9. The first bolt 6 is screwed into the threaded hole 15 to fix the position of the locking plate 9 to prevent it from falling off.

[0030] In this embodiment, the upper cylinder 7 is provided with a shoulder surface 5 that contacts with the cap end of the first bolt 6. The provision of the shoulder surface 5 provides more contact area between the cap end of the first bolt 6 and the shoulder surface 5, thereby increasing the locking effect of the first bolt 6.

[0031] In this embodiment, a first fixing tube 13 sleeved on the first tube body 14 is fixedly connected to the bottom of the lower cylinder 10, and a plurality of first through holes are arranged on the side of the first fixing tube 13, and second bolts 11 are arranged in the first through holes. Through such an arrangement, the first fixing tube 13 is detachably fixed to the first tube body 14.

[0032] In this embodiment, a plurality of first vertical planes 12 are arranged on the side surface of the first fixing tube 13 along the circumferential direction, and the first through hole is arranged at the position of the first vertical plane 12. With such an arrangement, a plurality of first screw holes corresponding to the positions of the first through holes are arranged on the first tube body 14, and the second bolt 11 passes through the first through hole and is screwed into the first screw hole for fixing, and the cap end of the second bolt 11 has a larger contact area with the first vertical plane 12, so that the locking effect between the two is better.

[0033] In this embodiment, the top of the upper cylinder 7 is fixedly connected with a second fixing tube 2 sleeved on the second tube body 1, and a plurality of second through holes are arranged on the side of the second fixing tube 2, and third bolts 4 are arranged in the second through holes. Through such an arrangement, the second fixing tube 2 is detachably fixed to the second tube body 1.

[0034] In this embodiment, a plurality of second vertical planes 3 are provided on the side surface of the second fixing pipe 2 along the circumferential direction, and the second through holes are provided at the positions of the second vertical planes 3 .

[0035] Through such an arrangement, a plurality of second screw holes corresponding to the positions of the second through holes are provided on the second tube body 1. The third bolt 4 passes through the second through hole and is screwed and fixed in the second screw hole. The cap end of the third bolt 4 has a larger contact area with the second vertical plane 3, so that the locking effect between the two is better.

[0036] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0037] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0038] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A ring forging for a wind power flange, characterized in that: The invention comprises an upper cylinder (7) and a lower cylinder (10), wherein the upper end of the lower cylinder (10) is provided with a plurality of slots along the circumferential direction, and the same side of the plurality of slots is provided with a side locking slot (18) whose bottom surface is aligned with the bottom surface of the slot, and the lower end of the upper cylinder (7) is provided with a plug plate (8) correspondingly inserted into the slot, and the side surface of the plug plate (8) is provided with a side locking plate (21) cooperating with and inserted into the side locking slot (18), and the end of the slot facing away from the side locking slot (18) is provided with a vertically penetrating socket slot, and the side surface of the socket slot facing away from the side locking slot (18) is provided with a first guide slot (19), and the socket slot faces the side surface of the side locking slot (18). A second guide groove (22) is provided, and a third guide groove (23) is provided on the side of the plug plate (8) facing away from the side lock groove (18), and the second guide groove (22) is aligned with the third guide groove (23). A locking plate (9) is inserted into the socket groove, and reverse sliding ribs (16) are provided on both sides of the locking plate (9), and the reverse sliding rib (16) on one side is slidably matched with the first guide groove (19), and the reverse sliding rib (16) on the other side is slidably matched with the second guide groove (22) and the third guide groove (23), and the locking plate (9) is fixedly connected to the upper cylinder (7) by a first bolt (6).

2. The ring forging for wind power flange according to claim 1, characterized in that: The bottom surface of the slot is provided with an arc groove (17) which is concentric with the lower cylinder (10); One end of the circular arc groove (17) is connected to the second guide groove (22), and the other end extends into the side locking groove (18). The bottom of the plug plate (8) is provided with a circular arc protrusion (20) that can be inserted into the circular arc groove (17).

3. The ring forging for wind power flange according to claim 1, characterized in that: The upper end of the locking plate (9) is provided with a threaded hole (15); A first bolt (6) matching the threaded hole (15) passes through the upper cylinder (7) and is screwed into the threaded hole (15) to fix the locking plate (9).

4. The ring forging for wind power flange according to claim 3 is characterized in that: The upper cylinder (7) is provided with a shoulder surface (5) which is in contact with the cap end of the first bolt (6).

5. The ring forging for wind power flange according to claim 1, characterized in that: A first fixed tube (13) sleeved on the first tube body (14) is fixedly connected to the bottom of the lower cylinder (10); A plurality of first through holes are arranged on the side surface of the first fixing tube (13), and second bolts (11) are arranged in the first through holes.

6. The ring forging for wind turbine flange according to claim 5, characterized in that: A plurality of first vertical planes (12) are arranged on the side surface of the first fixed tube (13) along the circumferential direction, and the first through hole is arranged at the position of the first vertical plane (12).

7. The ring forging for wind power flange according to claim 1, characterized in that: A second fixing tube (2) sleeved on the second tube body (1) is fixedly connected to the top of the upper cylinder (7), a plurality of second through holes are arranged on the side of the second fixing tube (2), and third bolts (4) are arranged in the second through holes.

8. The ring forging for wind power flange according to claim 7, characterized in that: A plurality of second vertical planes (3) are arranged on the side surface of the second fixed tube (2) along the circumferential direction, and the second through hole is arranged at the position of the second vertical plane (3).

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